Principal Software Engineer

Trinzic; Huntsville (AL); On-site; USD 120,000 - 160,000; Full time

Job summary

KBR is seeking an experienced Principal Software Engineer to lead architecture, development, implementation and optimization of software for a new Modeling and Simulation Lab. You will research technology insertions, verify communications among devices, databases and services, and collaborate with in-house and government teams.

Ideal candidates have deep expertise in Java, C, C++, Python, and MATLAB, with Agile experience, Git/GitLab, and the ability to travel up to 15%.

Qualifications

• Experience with Agile methodologies and Jira or similar tools.
• Experience integrating COTS/GOTS products and developing APIs for interoperability.
• Familiarity with Army Integrated Air and Missile Defense Systems.
• Proficiency in Java, C, C++, MATLAB, and Python.
• Experience with Git/GitLab or DevOps practices.
• U.S. Citizenship required; ability to obtain/maintain Secret Clearance.
• Eligible to travel up to 15% and work on site when required.

Responsibilities

• Lead architecture, development, implementation and optimization of software for Modeling and Simulation Lab.
• Research new technology insertions and integrate with existing systems.
• Verify communication between devices, databases and services.
• Collaborate with government customers and internal teams during demonstrations.
• Travel up to 15% for meetings and test events.

Skills

Java

C

C++

Python

MATLAB

GIT / GitLab

DevOps

Agile / SCRUM

Communication

Problem solving

Education

Bachelor of Science in Computer Science or related STEM

Master's in CS or related STEM (5+ yrs)

Tools

Docker

Kubernetes

APIs

Containerization

Linux

Windows

Job description

Principal Software Engineer

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Program Summary

KBR’s Missile, Aviation, and Ground Systems (MAGS) division delivers mission engineering solutions for critical U.S. Army programs, specializing in aviation and ground systems, integrated air and missile defense, and threat and target systems. As a trusted partner of the U.S. Department of Defense, MAGS provides innovative, technology-driven solutions to enhance national security. With a global presence and a strong ethical framework, KBR ensures secure, effective, and mission-ready capabilities worldwide.

Job Summary

We are seekingan experienced Software Engineer to lead the architecture, development, implementation and optimization of software solutions to be integrated into a new Modeling and Simulation Lab. This individual will research and analyze new technology insertion with existing software systems, to include implementing and verifying communication capability between devices, databases, and services. Candidates require strong analytical and problem-solving skills to collaborate with multiple “in-house” and GOTS simulation and tool developers. Strong interpersonal skills will be required as you will interface directly with the Government customer conducting regular software demonstrations. Up to 15% travel for meetings and test events will be required.

The ideal candidate should be a problem-solver, resourceful, independently motivated and detail oriented, willing to travel occasionally, and work in the office when required. The position requires good time management, communication and computer skills.

Relocation: Candidate must be a resident of the North Alabama area or able to relocate to the Huntsville-North Alabama area.

REQUIRED QUALIFICATIONS:

• Possess a Bachelor of Science degree in Computer Science or other STEM related fields (Engineering, Physics, Mathematics, CIS, etc.) with 10+ years of experience or a master’s degree in computer science or related STEM fields with 5+ years of experience.
• Experience with the latest software development management processes and tools (Agile methods, SCRUM boards, Jira, etc.)
• Experience integrating COTS/GOTS products in a software laboratory environment. Analyzing and developing APIs to enhance interoperability amongst products.
• Familiarity with Army Integrated Air and Missile Defense Systems.
• Working knowledge of programming languages such as Java, C, C++, MATLAB, and/or Python.
• Experience with GIT, Gitlab, or DevOps (or similar) required.
• Candidate must be a US Citizen.
• Possess or be able to obtain and maintain a Secret Clearance.
• Able to travel up to 15% of the time.
• Able to work on site when required.

PREFERRED QUALIFICATIONS:

• Experience with missile defense systems.
• Experience in physics-based models and simulations.
• Linux and Windows software development environments experience.
• Ability to develop clear and concise software capabilities demonstrations and briefings and present to government customers.
• Experience in software design, development, documentation, and testing of modelling and simulation software.
• Familiarity with development and integration of containerized products (e.g. Docker Compose, Kubernetes, etc.)
• Experience with SecDevOps and Continuous Integration/Continuous Development pipelines to include resolution of cyber vulnerabilities, bugs and technical issues.
• Direct experience as a software development lead with expertise in managing challenging execution schedules.
• Excellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members, leadership, and customers.
• Proficiency in Microsoft Office applications with strong presentation skills and capable of briefing audiences large or small of varying technical knowledge.
• Enjoy working in a dynamic, responsive, and collaborative environment, and dedicated to the success of our government customers.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.